Related Experiment Video
Updated: May 9, 2026

08:08
Quantitative Mass Spectrometric Profiling of Cancer-cell Proteomes Derived From Liquid and Solid Tumors
Published on: February 27, 2015
Breast cancer classification by proteomic technologies: current state of knowledge
S W Lam1, C R Jimenez, E Boven
1Department of Medical Oncology, VU University Medical Center, De Boelelaan 1117, 1081HV, Amsterdam, The Netherlands.
Cancer Treatment Reviews
|July 30, 2013
Summary
Proteomics offers a powerful approach to understand breast cancer heterogeneity. This technology helps refine subtypes and discover biomarkers for metastasis and therapy resistance, improving patient outcomes.
Area of Science:
- Oncology
- Molecular Biology
- Biochemistry
Background:
- Breast cancer is a heterogeneous disease with distinct subtypes identified through gene expression profiling.
- These subtypes correlate with clinical outcomes and treatment responses.
- Understanding functional consequences of gene expression requires protein-level analysis.
Purpose of the Study:
- To review the current state of proteomic research in molecular breast cancer classification.
- To discuss the potential of proteomics for discovering novel breast cancer biomarkers.
- To explore how proteomics can refine existing subtypes and identify markers for metastasis and therapy resistance.
Main Methods:
- Review of current literature on proteomic technologies applied to breast cancer.
- Analysis of proteome-wide expression data in clinical samples.
- Identification of proteins and protein profiles for subtype refinement and biomarker discovery.
Main Results:
- Proteomic technologies provide quantitative protein-level insights into breast cancer subtypes.
- Proteomics can identify novel protein biomarkers associated with metastatic potential.
- Proteomics aids in discovering biomarkers for therapy resistance in specific breast cancer subtypes.
Conclusions:
- Proteomics is a valuable tool for advancing molecular classification of breast cancer.
- Proteomic biomarker discovery holds significant promise for clinical applications in breast cancer.
- Further research in proteomics can lead to more personalized treatment strategies for breast cancer patients.
Related Concept Videos
Proteomics
A proteome is the entire set of proteins that a cell type produces. We can study proteomes using the knowledge of genomes because genes code for mRNAs, and the mRNAs encode proteins. Although mRNA analysis is a step in the right direction, not all mRNAs are translated into proteins.
Proteomics is the study of proteomes' function. It involves the large-scale systematic study of the proteome to denote the protein complement expressed by a genome. Scientist Mark Wilkins coined the term proteomics...
Proteomics is the study of proteomes' function. It involves the large-scale systematic study of the proteome to denote the protein complement expressed by a genome. Scientist Mark Wilkins coined the term proteomics...
Targeted Cancer Therapies
The targeted cancer therapies, also known as “molecular targeted therapies,” take advantage of the molecular and genetic differences between the cancer cells and the normal cells. It needs a thorough understanding of the cancer cells to develop drugs that can target specific molecular aspects that drive the growth, progression, and spread of cancer cells without affecting the growth and survival of other normal cells in the body.
There are several types of targeted therapies against specific...
There are several types of targeted therapies against specific...

